WebApr 4, 2024 · To effectively weaken the intramolecular charge transfer (ICT) effects in the electron-deficient dibenzothiophene-S,S-dioxide (SO) and electron-rich TA units in the polymer main chain, the copolymers PFSO10TAs end-capped by the TA unit were synthesized by one-pot Suzuki polymerization. Atomic force microscopy and grazing … WebJan 6, 2024 · Desulfurization of organic sulfur in the fuel oil is essential to cut down the emission of sulfur dioxide, which is a major precursor of the acid rain and PM2.5. ... Ye J, Zhao J, Zhang S. Dibenzothiophene Removal from Fuel Oil by Metal-Organic Frameworks: Performance and Kinetics. International Journal of Environmental Research and Public ...
Improved electroluminescence efficiency of polyfluorenes by ...
WebJul 24, 2024 · Three dibenzothiophene-S,S-dioxide-based alternating copolymers were synthesized by facile Suzuki polymerization for visible … WebJan 11, 2016 · The dibenzothiophene moiety in 2 and 5 is practically planar; in 3 it is slightly twisted and in 7 folded, with the two arene rings forming a dihedral angle of 6.9° and 12.5°, respectively. The molecules of 3 and 5 possess a crystallographic two-fold axis, hence the phenothiazine substituents have transoid orientation with respect to the … disabled mouse on laptop
A Novel Donor-Acceptor Thiophene-Containing Oligomer
WebIncorporation of dibenzothiophene-S,S-dioxide units into conjugated fluorene oligomers changes the frontier orbital energy levels and presents an effective way to increase the electron affinity of these materials, which are highly fluorescent with bright blue emission in both solution and the solid state. WebSep 13, 2024 · Blue light-emitting polyfluorenes containing dibenzothiophene-S,S-dioxide (SO) unit in alkyl side chain (PF-FSOs and PF-CzSOs) were synthesized. All the polymers show high thermal stability with the decomposition temperatures over 400 °C. The highest occupied molecular orbital (HOMO) and the lowest unoccupied molecular orbital (LUMO) … WebSep 1, 2011 · The results indicate that poly (dibenzothiophene-S,S-dioxide-co-9,9-dioctyl-2,7-fluorene)s could be a promising candidate for blue-emitting polymers with spectral stability and high efficiency. disabled moving